Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Use formula x^3+y^3+ z^3 -3xyz = (x+y+z)(x^2+y^2+z^2-xy-yz-zx) then plug x+y+z as  0 in the formula and then add 3xy both sides of the equation.
1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts